TMB to decarbonise the bus fleet in Barcelona by 2030, Spain December 15, 2020 | Europe News Transports Metropolitans de Barcelona (TMB), the public transport operator in Barcelona, has announced plans to decarbonise more than 50 per cent of the bus fleet in Barcelona by 2030. TMB plans to pr... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password